package com.example.function_interface.operator;

import com.example.function_interface.User;
import org.junit.Test;

import java.util.ArrayList;
import java.util.List;
import java.util.function.DoubleBinaryOperator;

/**
 * 代表了作用于两个double值操作符的操作，并且返回了一个double值的结果。
 */
public class DoubleBinaryOperatorTest {

    @Test
    public void myTest() throws Exception{
        List<User> userList = new ArrayList<>();
        User user1 = new User(1, "张三", 12, false, 23.3);
        User user2 = new User(2, "李四", 22, false, 200);
        User user3 = new User(3, "王五", 32, true, 123.2);
        User user4 = new User(4, "郑静", 2, true, 0);
        userList.add(user1);
        userList.add(user2);
        userList.add(user3);
        userList.add(user4);

        DoubleBinaryOperator doubleBinaryOperator = new DoubleBinaryOperator() {
            @Override
            public double applyAsDouble(double left, double right) {
                return left > right ? left : right;
            }
        };

        System.out.println(doubleBinaryOperator.applyAsDouble(user1.getMoney(), user2.getMoney()));
    }
}
